Dong'an County (simplified Chinese: 东安县; traditional Chinese: 東安縣; pinyin: Dōng'ān Xiàn; lit.

'Eastern peace') is a county of Hunan Province, China, it is under the administration of Yongzhou prefecture-level City.

Located on the south central margin of the province, it is adjacent to the eastern border of Guangxi.

Dong'an County covers 2,204 km2 (851 sq mi), as of 2015, It had a registered population of 643,179.

[5] Dong'an County is the source place of Dong'an Chicken (东安子鸡), which is one of well-known Hunan foods.